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Get started23b is a three-bedroom detached house in Welford, Northampton, Northampton (NN6 6HT). It has a recorded floor area of 83 m² (around 896 sq ft), construction records dating it to 1983-1990 and council tax band D. The latest certificate (August 2010) shows an E (score 46), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since April 2009. Between certificates, lighting dropped from Poor to Very Poor. Main heating runs on electricity. The latest certificate is from August 2010, so improvements made since then won't be reflected.
Sale prices here have outpaced England HPI: 4.5% per year against 0% for the wider region. Today's modelled estimate of £307,000 is 46.2% above the 2011 sale price. On a £-per-square-foot basis, the last sale (£234/sq ft) was about 42.8% above the typical sold price in the postcode. Last changed hands 15 years ago, in July 2011. At 83 m² it's 25.7% smaller than the typical home in the postcode (112 m² median across 52 EPCs).
23b's carbon output runs well above what efficient homes in the postcode produce.
This certificate is over 10 years old and is no longer valid.Expired 12 Aug 2020
23b saw 3 transfers in just over a decade — high turnover for the postcode.
£307,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.5% per year over 10 years.
£210,000
Growth on file: 4.5% per year over 10 years.
On years held, 23b stands well clear of the street.
Price per m²
£2,524
Street avg £2,335
Floor Area
83 m²
Street avg 140 m²
Habitable Rooms
5 rooms
Street avg 6 rooms
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km

Daytime· 07:00 – 23:00
44.5dB

15 July 2011Most recent
£210,000
-6.7%over 6 years12 November 2004
£225,000
+63.6%over 2 years16 November 2001
£137,500
Median price across the last 5 sales in NN6 6HT: £320,000 (2025–2025).
CO₂ Emissions
6.3 t/year
Street avg 8.7 t/year
NN6 6LZ
Orchard Terrace — bus stop.
Closest school
0.2 km
Welford Sibbertoft and Sulby Endowed School. 1 school nearby.
Night-time· 23:00 – 07:00
37.6dB
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